
用简便方法计算(要写出简算过程).3.64+2.7+4.36  ...
1个回答
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(1)3.64+2.7+4.36,
=3.64+4.36+2.7,
=8+2.7,
=10.7;
(2)(
+
)×12,
=
×12+
×12,
=3+2,
=5.
=3.64+4.36+2.7,
=8+2.7,
=10.7;
(2)(
1 |
4 |
1 |
6 |
=
1 |
4 |
1 |
6 |
=3+2,
=5.
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